Features Measuring range: the measuring range of this angle search ruler is 0-200° and the angle measurement accuracy is plus or minus 0.5°. The length is 180 mm or 7 inches. Large LCD screen: the digital protractor is equipped with a large LCD full screen and is easy to operate with just three buttons, easy to measure and read. HIGH STRENGTH MATERIAL The thickened and widened ruler body of this angle finder is made of high-strength material, which has good rigidity. Exquisite and modern: the design of the digital LCD protractor is exquisite and the appearance is modern. Wear resistance: the protractor is very wear-resistant, does not deform, is lightweight and durable. Specification: Item Type: Digital LCD Angle Search Ruler Material: ABS Colour: black. Measuring range: 0-200°. Battery: 3 V CR2032 x 1 (battery not included). Resolution: 0.05° or 3' Accuracy: 0.5°. Operating temperature: 0℃-50℃. Operating humidity: < 85% RH. Application: widely used in hospitals, woodworking furniture, building material decoration, school teaching supplies, student stationery, family home works, machine processing and other fields Package list: 1 x mini LCD digital angle viewfinder, 1 x manual (English language not guaranteed) Package List 1 x Mini LCD Digital Angle Finder 1 x Manual